Dianthracenylazatrioxa[8]circulene: Synthesis, Characterization and Application in OLEDs
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Dianthracenylazatrioxa[8]circulene : Synthesis, Characterization and Application in OLEDs. / Pedersen, Stephan K.; Pedersen, Viktor B. R.; Kamounah, Fadhil S.; Broløs, Line M.; Baryshnikov, Glib V.; Valiev, Rashid R.; Ivaniuk, Khrystyna; Stakhira, Pavlo; Minaev, Boris; Karaush‐karmazin, Nataliya; Ågren, Hans; Pittelkow, Michael.
I: Chemistry: A European Journal, Bind 27, Nr. 45, 2021, s. 11609–11617.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Dianthracenylazatrioxa[8]circulene
T2 - Synthesis, Characterization and Application in OLEDs
AU - Pedersen, Stephan K.
AU - Pedersen, Viktor B. R.
AU - Kamounah, Fadhil S.
AU - Broløs, Line M.
AU - Baryshnikov, Glib V.
AU - Valiev, Rashid R.
AU - Ivaniuk, Khrystyna
AU - Stakhira, Pavlo
AU - Minaev, Boris
AU - Karaush‐karmazin, Nataliya
AU - Ågren, Hans
AU - Pittelkow, Michael
PY - 2021
Y1 - 2021
N2 - A soluble, green-blue fluorescent, π-extended azatrioxa[8]circulene was synthesized by oxidative condensation of a 3,6-dihydroxycarbazole and 1,4-anthraquinone by using benzofuran scaffolding. This is the first circulene to incorporate anthracene within its carbon framework. Solvent-dependent fluorescence and bright green electroluminescence accompanied by excimer emission are the key optical properties of this material. The presence of sliding π-stacked columns in the single crystal of dianthracenylazatrioxa[8]circulene is found to cause a very high electron-hopping rate, thus making this material a promising n-type organic semiconductor with an electron mobility predicted to be around 2.26 cm2 V−1 s−1. The best organic light-emitting diode (OLED) device based on the dianthracenylazatrioxa[8]circulene fluorescent emitter has a brightness of around 16 000 Cd m−2 and an external quantum efficiency of 3.3 %. Quantum dot-based OLEDs were fabricated by using dianthracenylazatrioxa[8]circulene as a host matrix material.
AB - A soluble, green-blue fluorescent, π-extended azatrioxa[8]circulene was synthesized by oxidative condensation of a 3,6-dihydroxycarbazole and 1,4-anthraquinone by using benzofuran scaffolding. This is the first circulene to incorporate anthracene within its carbon framework. Solvent-dependent fluorescence and bright green electroluminescence accompanied by excimer emission are the key optical properties of this material. The presence of sliding π-stacked columns in the single crystal of dianthracenylazatrioxa[8]circulene is found to cause a very high electron-hopping rate, thus making this material a promising n-type organic semiconductor with an electron mobility predicted to be around 2.26 cm2 V−1 s−1. The best organic light-emitting diode (OLED) device based on the dianthracenylazatrioxa[8]circulene fluorescent emitter has a brightness of around 16 000 Cd m−2 and an external quantum efficiency of 3.3 %. Quantum dot-based OLEDs were fabricated by using dianthracenylazatrioxa[8]circulene as a host matrix material.
U2 - 10.1002/chem.202100090
DO - 10.1002/chem.202100090
M3 - Journal article
C2 - 33899273
VL - 27
SP - 11609
EP - 11617
JO - Chemistry: A European Journal
JF - Chemistry: A European Journal
SN - 0947-6539
IS - 45
ER -
ID: 273587644